Have a Solution for the Exploding Grenade Problem?

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Discussion Overview

The discussion revolves around the "exploding grenade problem," with participants seeking clarification on the problem itself and its implications in dynamics, particularly concerning the center of mass (COM) and the behavior of fragments post-explosion. The scope includes conceptual understanding and potential mathematical reasoning related to the dynamics of explosions.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant requests a reference or solution to the exploding grenade problem.
  • Another participant asks for clarification on what the "exploding grenade" problem entails.
  • Some participants propose that the problem may relate to the dynamics of the center of mass (COM).
  • A participant describes a concept where, during an explosion, everything appears to be moving away from a point, drawing a parallel to the observed expansion of the universe.
  • There is a suggestion to look up divergence as a related concept.
  • One participant speculates that solving the problem would involve determining how many pieces the grenade splits into and demonstrating that they recede from one another, assuming spherical scattering.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the specifics of the exploding grenade problem, and multiple viewpoints regarding its implications and related concepts remain present.

Contextual Notes

There are unresolved assumptions regarding the nature of the explosion and the specific mathematical treatment of the problem, including the distribution of fragments and their motion.

metrictensor
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Does anyone have a reference or know where I can see the solution to the exploding grenade problem?
 
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What's the "exploding grenade" problem?
 
Is this an application of the dynamics of the COM ?

marlon
 
marlon said:
Is this an application of the dynamics of the COM ?

marlon
What is the COM?
 
center of mass
 
marlon said:
center of mass
I don't know. I heard about a problem where inside an explosion (if you can not see the edge of the explosion) then at any point it appears as if everything is moving away from that point. It is was also used to describe how the universe looks like it is expanding no matter when you look from.
 
look up divergance
 
gregmead said:
look up divergance
I know about divergence and Green's Theorem, etc. I am looking for the specific problem.
 
well I guess if you want to do a specific problem you'd have to work out how many pieces the grenade is going to split up into and then somehow prove that they are all receding from one another...

assuming it is a spherical scattering it should be fairly easy...
 

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